Protein is probably the most crucial supplement for all athletes, but it is particularly necessary for those involved in long - term, high intensity endurance training. (muscleandbrawn.com)
Omega - 3 fatty acids — the most crucial supplement; absent or inadequate in both homemade and commercial pet foods; vital for cell function all over the body, but most importantly for the nervous system (especially eyes and brain), joints, heart, kidneys, and skin. (littlebigcat.com)
Here's MY view of manliness and SOUTHERN STOICISM, a crucial supplement to the MIDWESTERN Mansfield. (firstthings.com)